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WO/2003/081104 |
The invention relates to a method of producing a sheath for a high-temperature multifilament superconducting cable. According to the invention, the sheath is obtained through the co-extrusion of a cylindrical billet (50) comprising at le...
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WO/2003/076097 |
A method of manufacturing a torsion bar, comprising a first shaping step for setting the hardness of a round steel bar material in an area ranging from an inner part to a surface layer part to 320 to 450 in Vickers hardness (HV) by reduc...
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WO/2003/076861 |
The invention relates to metallic slotted tubes (1) having an outer diameter De. The inventive tubes are slotted internally by N helical ribs (2) having an apex angle &agr , height H, base width LN and helix angle β, said consecutive ri...
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WO/2003/074206 |
The invention concerns a method for making steel plated armouring wires (20) designed to reinforce flexible tubular pipes for transporting hydrocarbons, wherein a plating coat (22) is intimately associated, through great pressure, with a...
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WO/2003/074207 |
The invention relates to a method for producing bent hollow bodies (10g) that comprise an inner arc and an outer arc. A starting hollow body with a flexible cross-sectional shape at least in the zone where it is supposed to be bent is be...
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WO/2003/068448 |
The invention relates to a pipe welding device by means of which a pipe (1) made of a sheet metal strip is welded at the seam (2). The inventive pipe welding device comprises a sizing stand (3) that is provided with at least two rollers ...
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WO/2003/059791 |
The invention relates to a support (1) which is used with moving cylindrical elements. The inventive support comprises first guide means (2) which are used to guide the cylindrical elements at a height z1. Downstream, in the direction of...
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WO/2003/052337 |
A flat−shaped tube (2), a structural member of a radiator (1), can be manufactured easily without welding a connection portion for connecting edge portions of a plate member together. A connecting portion (11c) of the tube (2) is forme...
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WO/2003/047783 |
The invention relates to a method for changing sets of rolls consisting of top rolls, lateral rolls, and a bottom roll, and mounted in chocks of a welding stand of a continuously operating longitudinal tube welding machine. The inventive...
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WO/2003/045601 |
The invention relates to a device (1) for production of a tube (2) with a polygonal, preferably rectangular cross-section, comprising a tube welding unit (3), in which the tube (2) is formed from a sheet metal strip and welded at the res...
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WO/2003/037539 |
The invention relates to a method and device used to produce hollow sections with very high degrees of reduction at very high manufacturing speeds, while at the same time maintaining or improving the quality of the final product. Accordi...
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WO/2003/037559 |
A process of making a shaped product consisting of aluminium or an aluminium alloy comprising the steps of producing an intermediate object by extrusion or rolling and having at least one flat surface, coating the at least one flat surfa...
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WO/2003/035915 |
The invention relates to metallic articles for industrial use, more specifically to a method for producing a thin metallic monocrystalline wire having a diameter ranging from 0.01 to 5.0 mkm. The inventive method consists in carrying out...
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WO/2003/033188 |
A tube (200) and a heat exchanger with tubes, the tube (200) formed by rolling and brazing a metallic band−shaped material (A) recrystallized by annealing comprising a flat part (204) shaped by forming flat the material after bending&s...
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WO/2003/033200 |
A method of forming clad piping or tubing (32)includes the steps of providing a support billet (2), finished to a desired, predetermined dimension, having a cladding surface (4), and providing a CRA cladding material billet (7), similarl...
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WO/2003/031668 |
A tungsten wire containing 1−10 mass% of rhenium, characterized in that the point showing 2% expansion of a heated tungsten wire having a diameter of x µm and heated by application of a current of which the ratio to the fusing current...
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WO/2003/031091 |
The invention relates to a method for producing a branch pipe (1). According to said method, a longitudinal linear main curvature and at least two lateral curvatures deviating from respectively one longitudinal side of the main curvature...
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WO/2003/028914 |
A method of manufacturing a hollow member having longitudinally varying plate thickness in cross section orthogonal to the longitudinal direction thereof, characterized by comprising a heating step for heating a tubular material (Pa) wit...
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WO/2003/026827 |
The invention relates to a method for increasing the fatigue resistance of welded pipes, especially longitudinally welded large diameter pipes, comprising a weld seam (1) having a projection on the inner and outer sides. To this end, the...
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WO/2003/024639 |
The manufacture of seamless tubes in which the process includes providing an assembly having a metal tube blank (1), and an elongate metal core (2) of shape memory effect material which is surrounded and contacted by the tube blank (1) w...
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WO/2003/025240 |
The invention concerns a method for making a welded tube, comprising a final drawing or hydroforming step, characterized in that in consists in: preparing an alloy consisting in wt. % of: C $m(F) 2 %; Mn between 10 and 40 % with %Mn > 21...
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WO/2003/024637 |
The invention relates to a method for producing metallic strips having a high-grade cube texture based on nickel, copper, aluminum, silver or alloys of these metals including austenitic iron-nickel alloys. The inventive method makes it p...
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WO/2003/022479 |
The invention relates to a device (1) for forming thin-walled material to obtain a sleeve-shaped body (20) from a substantially flat material piece (2). Said device comprises two forming dies (3, 4), at least one of which being displacea...
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WO/2003/022091 |
Method for producing elongated elements (40') for jewels, comprising the steps of providing at least two foils (51, 52) of precious metal of different type, joining such foils at respective longitudinal edges thereof in order to make a t...
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WO/2003/013847 |
The invention relates to a flat product for use as the wall of a heat exchanger operated with corrosive liquids as the coolant that contain biological organisms. The aim of the invention is to protect the wall of the heat exchanger on th...
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WO/2003/011489 |
The invention relates to a method for the production of a metal tube (1), in particular a gas distributor tube for vehicle airbags. The tube sleeve is stamped as a planar metal blank (4), the outer contour of which corresponds to the lay...
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WO/2003/010353 |
The invention relates to stainless steel fibers obtained by bundled drawing of stainless steel wires embedded in a matrix material. The composition of the stainless steel fibers comprises iron and the following components expressed in pe...
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WO/2003/009950 |
The device for shaping a plastically deformable strip material about its longitudinal axis with regard to a tube is provided with at least one first pair (12) of shaping rolls (16, 18) that can rotate about first rotation axes (28), whic...
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WO/2003/009309 |
A method and an apparatus for producing a Keystone type superconducting formed strand, in which the side face of formed strands on the thinner side touches a roll ahead of the side face on the thicker side when a wire formed by stranding...
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WO/2003/004195 |
A metal wire material suitable for use as a grip ring material, having good surface properties and produced at low cost&semi a producing method therefor&semi and a producing device therefor. For this purpose, a metal wire material (34) i...
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WO/2003/000440 |
The present invention concerns an apparatus and method for manufacturing an automotive beam for use as a beam in structural components of automobiles with significant improvements in terms of torsional rigidity and yield strength. The be...
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WO/2003/001624 |
A micro fuel cell array and method of making is disclosed for providing electrical power to an electrical load upon flow of a first and a second gas. The micro fuel cell array comprises an array (5) of the fuel cell elements (15) each co...
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WO/2002/103069 |
A steel pipe having high formability which has an r value in the longitudinal direction of 1.2 or more, preferably 1.6 or more over the whole region of perimeter direction containing a seamed portion&semi and a method of producing the st...
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WO/2002/100567 |
A metal plate comprises two flat wall forming portions 89, 90 connected together by a joint portion 88, a plurality of reinforcing wall forming portions 83, 84 upwardly projecting from each of the wall forming portions 89, 90 integrally ...
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WO/2002/096578 |
The invention, in one form thereof, relates to a basket consisting of a structure (10) comprising a front panel, a rear panel, a more or less circular passage, which extends along the length of the structure, and rollers, which are dispo...
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WO/2002/094468 |
The invention relates to a tool for tube or profile bending machines. At least the surface touching the tube (1) or profile is coated with a layer of molybdenum or molybdenum alloy, enabling the service life of said tool to be significan...
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WO/2002/094467 |
In a method of reshaping a tube (4), an apparatus is used which has a roller nip (10, 11) for rotating the tube (4), and a shaping roller assembly (12, 13) for alterning the cross-section of the tube (4), for instance from round to oval.
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WO/2002/092251 |
A method and apparatus for forming annularly-corrugated tubes (10) and cables utilizing a multiple gear corrugating head (30) which is rotated about the tube (10) or cable, to be corrugated as the tube or cable (10) is drawn through the ...
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WO/2002/092250 |
Rolling&sol heating means (6), a four−way roll rolling machine (7) and quenching&sol cooling means (8) are arranged close to each other in tandem. An untreated steel wire (W1) is quickly heated to a rolling temperature by the heating m...
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WO/2002/087814 |
A process of making a shaped product consisting of aluminium or an aluminium alloy comprising the steps of producing an intermediate object by extrusion or rolling and having at least one flat surface, coating the at least one flat surfa...
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WO/2002/086408 |
The tube (1) is obtained by folding a metal strip (2) of a given thickness (e) over itself in order to define two channels (83a, 3b) which are separated by a partition (4) to form a transverse member created by the folded edges (5a, 5b) ...
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WO/2002/084197 |
The inner surface of the tube (10) has a primary set of fins (12)and an intermediate sets of fins (26) positioned in the areas (24) between the primary fins (12) and at an angle relative to the primary fins (12). In a preferred embodimen...
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WO/2002/081111 |
.A method for the manufacture of helically wound pipes, wherein the pipe is manufactured in that a steel strip (9) is passed to a forming unit (2) for profiling the steel trip and is passed from the forming unit to a winding unit (3) whe...
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WO/2002/076809 |
An automobile strengthening member which is light in weight and superior in axial crushing performance and has high bending strength performance is provided. Also provided is a strengthening member which will not crack even when a high s...
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WO/2002/076646 |
A rock bolt or drill rod and its method of manufacture. The body is an elongate member (8) having a C-shaped or U-shaped cross section, the cross section having two side arms (12, 14) defining a channel (10) therebetween running the leng...
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WO/2002/076810 |
An automobile strengthening member which is light in weight and superior in axial crushing performance and has high bending strength performance is provided. Also provided is a strengthening member which will not crack even when a high s...
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WO/2002/076652 |
The invention relates to a method for producing a hollow, elongated construction element, for example for use as a vehicle front axle. The method comprises the following steps : (a) a first blank (1) is directed through a furnace (2) for...
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WO/2002/074462 |
A method of efficiently producing a thick-walled small diameter pipe having a smooth flawless inner peripheral surface, which can be suitably used for a fuel injection pipe for diesel engines, is provided. In producing a thick-walled sma...
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WO/2002/070166 |
A stainless steel wire provided a deformed edge area (1) having an increased thickness in comparison with the core (4) and consequently an increased resistance to corrosion in comparison with a wire without such an edge area, especially ...
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WO/2002/068704 |
The invention relates to a colored wire comprising: a steel core (12); a first coating layer (14) applied on said steel core (12), said first coating layer (14) comprises zinc or a zinc alloy; a second coating layer (16) applied on top o...
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